Vienna, VA

4:24 PM EDT on September 28, 2016 (GMT -0400)
Dunn Loring | | Change Station

Elev 433 ft 38.89 °N, 77.22 °W | Updated 16 seconds ago

Overcast
Overcast
66.9 °F
Feels Like 66.9 °F
N
0.0
Wind Variable Wind from NE
Gusts 0.0 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.99 in
Visibility 10.0 miles
Clouds Overcast 1200 ft
Dew Point 66 °F
Humidity 95%
Rainfall 0.15 in
Snow Depth Not available.
7:02 AM 6:55 PM
Waning Crescent, 4% visible
SPECI KDCA 282005Z 05007KT 10SM VCTS OVC012 21/19 A2999 RMK AO2 LTG DSNT ALQDS TSE04 T02060194
Pressure 29.99 in
Visibility 10.0 miles
Clouds Overcast 1200 ft
Dew Point 66 °F
Humidity 95%
Rainfall 0.15 in
Snow Depth Not available.
7:02 AM 6:55 PM
Waning Crescent, 4% visible
SPECI KDCA 282005Z 05007KT 10SM VCTS OVC012 21/19 A2999 RMK AO2 LTG DSNT ALQDS TSE04 T02060194

10-Day Weather Forecast

Almanac

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Sep. 28, 2016 Rise Set
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City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

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Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Severe Thunderstorm Watch
Issued: 3:10 PM EDT Sep. 28, 2016 – National Weather Service

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
southeast Maryland
much of North Carolina
southern and eastern Virginia
coastal waters

* effective this Wednesday afternoon and evening from 310 PM
until 1000 PM EDT.

* Primary threats include...
scattered damaging wind gusts to 70 mph likely
isolated large hail events to 1.5 inches in diameter possible
a tornado or two possible

Summary... scattered thunderstorms are developing across much of NC
and VA... tracking northeastward across the watch area. Conditions
appear favorable for a few severe thunderstorms capable of locally
damaging wind gusts. The risk of an isolated tornado or two will
also increase through the afternoon.

The Severe Thunderstorm Watch area is approximately along and 70
statute miles north and south of a line from 20 miles southwest
of Hickory North Carolina to 35 miles south southeast of Patuxent
River Maryland. For a complete depiction of the watch see the
associated watch outline update (wous64 kwns wou8).

Precautionary/preparedness actions...

Remember... a Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings. Severe thunderstorms can and occasionally
do produce tornadoes.


Aviation... a few severe thunderstorms with hail surface and aloft
to 1.5 inches. Extreme turbulence and surface wind gusts to 60
knots. A few cumulonimbi with maximum tops to 450. Mean storm
motion vector 25030.


... Hart


Flash Flood Watch
Issued: 12:28 PM EDT Sep. 28, 2016 – National Weather Service

... Flash Flood Watch now in effect from 6 PM EDT this evening
through Friday morning...

The Flash Flood Watch is now in effect for

* portions of Maryland... the District of Columbia... Virginia and
West Virginia... including the following areas... in Maryland...
Anne Arundel... Calvert... Carroll... central and eastern
Allegany... central and southeast Howard... central and
southeast Montgomery... Charles... Frederick MD... northern
Baltimore... northwest Harford... northwest Howard... northwest
Montgomery... Prince Georges... southeast Harford... southern
Baltimore... St. Marys and Washington. The District of
Columbia. In Virginia... Arlington/Falls Church/Alexandria...
Clarke... Culpeper... eastern Loudoun... Fairfax... Frederick VA...
   Greene... King George... Madison... northern Fauquier... northern
Virginia Blue Ridge... Orange... Page... Prince
William/Manassas/Manassas Park... Rappahannock... Shenandoah...
southern Fauquier... Spotsylvania... Stafford... Warren and
western Loudoun. In West Virginia... Berkeley... eastern
Mineral... Hampshire... Hardy... Jefferson and Morgan.

* From 6 PM EDT this evening through Friday morning

* a powerful low pressure system over the Midwest will bring
periods of heavy rain to our area tonight through Thursday
night.

* Widespread rainfall amounts of 3 to 6 inches are expected... with
localized spots potentially getting up to a foot of rain.
Additionally... the eastern slopes of the northern Blue Ridge
and catoctin mountains have an increased risk for greater
totals.

* High potential exists for flooding of small streams... as well as
urban areas. Additionally there is a potential for the hardest
hit locations to see severe flooding and flash flooding.

Precautionary/preparedness actions...

These next few days will be a dangerous time... requiring more
than the usual awareness... planning and preparations.

If you are near streams or drainage ditches... keep an eye on them
and be ready to quickly seek higher ground. Water may rise
rapidly.

Clear out storm drains.

Those prone to basement flooding should prepare. Communities
prone to flooding should prepare.

Continue to check in on the forecast for updates.

Warnings will be issued for areas where flooding is imminent. Ensure
you get warnings from the National Weather Service through your
Mobile phone and or NOAA Weather Radio.

Be prepared to take action if a warning is issued for where you
are or if flooding is observed.

Ensure your kids dont play near flood waters.

Remember if you come across water crossing a Road... turn around
dont drown!